Which is the function of an intercalated disc?
A) Contains gap junctions that allow rapid communication between cells
B) Contains both desmosomes for tensile strength and gap junctions for communication
C) Uses desmosomes to hold cells together
D) Uses tight junctions to snap cells together for great tensile strength
Answer: B
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A) prevent excessive water absorption B) conserve moisture C) aid in breathing D) serve as a defensive mechanism
Which of the following is not an effect of ultraviolet radiation?
A) increased activity by melanocytes B) production of cholecalciferol within epidermal cells C) wrinkles D) chromosomal damage in basal cells or melanocytes E) hair growth
________ monitor the position of skeletal muscles and joints
A) Proprioceptors B) Internoceptors C) Photoreceptors D) Exteroceptors E) Pressoreceptors
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A) Cholesterol B) Squalene C) Triglycerides D) Wax esters Fill in the blank with the correct answer.